The generalized polar-coordinate method for measuring involute profile deviations is proposed, and its mathematical model, realization pattern and deviation assessment formula are presented.

提出了测量渐开线轮廓误差的广义极坐标法，给出了广义极坐标法的测量模型、实现方法以及轮廓误差算式。

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By taking an involute cylindrical gear as an example, the tooth profile deviation is calculated. The results show that the method is correct and feasible.

并以某渐开线圆柱齿轮为例计算齿廓偏差，计算结果表明，该方法正确、可行。

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